中华人民共和国国家环境保护标准HJ779-2015环境空气六价铬的测定柱后衍生离子色谱法Ambientair-Determinationofhexavalentchromium（Ⅵ）-Ionchromatographywithpost-columnmethod（发布稿）本电子版为发布稿。请以中国环境科学出版社出版的正式标准文本为准。2015-12-04发布2016-01-01实施发布环境保护部i目次前言..............................................................................................................................................ii1适用范围..................................................................................................................................12规范性引用文件......................................................................................................................13方法原理..................................................................................................................................14干扰及消除..............................................................................................................................15试剂和材料..............................................................................................................................16仪器和设备..............................................................................................................................37样品..........................................................................................................................................38分析步骤..................................................................................................................................49结果计算与表示......................................................................................................................510精密度和准确度......................................................................................................................611质量保证和质量控制...............................................................................................................612废物处理.........................................
